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<div class="refentry">
<a name="GtkCellLayout"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GtkCellLayout.top_of_page"></a>GtkCellLayout</span></h2>
<p>GtkCellLayout — An interface for packing cells</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GtkCellLayout.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="GtkCellLayout.html#GtkCellLayoutDataFunc" title="GtkCellLayoutDataFunc ()">*GtkCellLayoutDataFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-pack-start" title="gtk_cell_layout_pack_start ()">gtk_cell_layout_pack_start</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-pack-end" title="gtk_cell_layout_pack_end ()">gtk_cell_layout_pack_end</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="returnvalue">GtkCellArea</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-get-area" title="gtk_cell_layout_get_area ()">gtk_cell_layout_get_area</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GList</span> *
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-get-cells" title="gtk_cell_layout_get_cells ()">gtk_cell_layout_get_cells</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-reorder" title="gtk_cell_layout_reorder ()">gtk_cell_layout_reorder</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-clear" title="gtk_cell_layout_clear ()">gtk_cell_layout_clear</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-attributes" title="gtk_cell_layout_set_attributes ()">gtk_cell_layout_set_attributes</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-add-attribute" title="gtk_cell_layout_add_attribute ()">gtk_cell_layout_add_attribute</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-cell-data-func" title="gtk_cell_layout_set_cell_data_func ()">gtk_cell_layout_set_cell_data_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-clear-attributes" title="gtk_cell_layout_clear_attributes ()">gtk_cell_layout_clear_attributes</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkCellLayout.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GtkCellLayout.html#GtkCellLayout-struct" title="GtkCellLayout">GtkCellLayout</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GtkCellLayout.html#GtkCellLayoutIface" title="struct GtkCellLayoutIface">GtkCellLayoutIface</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkCellLayout.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a>
    <span class="lineart">╰──</span> GtkCellLayout
</pre>
</div>
<div class="refsect1">
<a name="GtkCellLayout.prerequisites"></a><h2>Prerequisites</h2>
<p>
GtkCellLayout requires
 GObject.</p>
</div>
<div class="refsect1">
<a name="GtkCellLayout.implementations"></a><h2>Known Implementations</h2>
<p>
GtkCellLayout is implemented by
 <a class="link" href="GtkAppChooserButton.html" title="GtkAppChooserButton">GtkAppChooserButton</a>,  <a class="link" href="GtkCellArea.html" title="GtkCellArea">GtkCellArea</a>,  <a class="link" href="GtkCellAreaBox.html" title="GtkCellAreaBox">GtkCellAreaBox</a>,  <a class="link" href="GtkCellView.html" title="GtkCellView">GtkCellView</a>,  <a class="link" href="GtkComboBox.html" title="GtkComboBox">GtkComboBox</a>,  <a class="link" href="GtkComboBoxText.html" title="GtkComboBoxText">GtkComboBoxText</a>,  <a class="link" href="GtkEntryCompletion.html" title="GtkEntryCompletion">GtkEntryCompletion</a>,  <a class="link" href="GtkIconView.html" title="GtkIconView">GtkIconView</a> and  <a class="link" href="GtkTreeViewColumn.html" title="GtkTreeViewColumn">GtkTreeViewColumn</a>.</p>
</div>
<div class="refsect1">
<a name="GtkCellLayout.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gtk/gtk.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="GtkCellLayout.description"></a><h2>Description</h2>
<p><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> is an interface to be implemented by all objects which
want to provide a <a class="link" href="GtkTreeViewColumn.html" title="GtkTreeViewColumn"><span class="type">GtkTreeViewColumn</span></a> like API for packing cells,
setting attributes and data funcs.</p>
<p>One of the notable features provided by implementations of 
GtkCellLayout are attributes. Attributes let you set the properties
in flexible ways. They can just be set to constant values like regular
properties. But they can also be mapped to a column of the underlying
tree model with <a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-attributes" title="gtk_cell_layout_set_attributes ()"><code class="function">gtk_cell_layout_set_attributes()</code></a>, which means that the value
of the attribute can change from cell to cell as they are rendered by
the cell renderer. Finally, it is possible to specify a function with
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-cell-data-func" title="gtk_cell_layout_set_cell_data_func ()"><code class="function">gtk_cell_layout_set_cell_data_func()</code></a> that is called to determine the
value of the attribute for each cell that is rendered.</p>
<div class="refsect2">
<a name="id-1.3.12.13.9.4"></a><h3>GtkCellLayouts as GtkBuildable</h3>
<p>Implementations of GtkCellLayout which also implement the GtkBuildable
interface (<a class="link" href="GtkCellView.html" title="GtkCellView"><span class="type">GtkCellView</span></a>, <a class="link" href="GtkIconView.html" title="GtkIconView"><span class="type">GtkIconView</span></a>, <a class="link" href="GtkComboBox.html" title="GtkComboBox"><span class="type">GtkComboBox</span></a>,
<a class="link" href="GtkEntryCompletion.html" title="GtkEntryCompletion"><span class="type">GtkEntryCompletion</span></a>, <a class="link" href="GtkTreeViewColumn.html" title="GtkTreeViewColumn"><span class="type">GtkTreeViewColumn</span></a>) accept GtkCellRenderer objects
as &lt;child&gt; elements in UI definitions. They support a custom &lt;attributes&gt;
element for their children, which can contain multiple &lt;attribute&gt;
elements. Each &lt;attribute&gt; element has a name attribute which specifies
a property of the cell renderer; the content of the element is the
attribute value.</p>
<p>This is an example of a UI definition fragment specifying attributes:</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3
4
5
6
7
8</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="o">&lt;</span><span class="n">object</span> <span class="n">class</span><span class="o">=</span><span class="s">&quot;GtkCellView&quot;</span><span class="o">&gt;</span>
  <span class="o">&lt;</span><span class="n">child</span><span class="o">&gt;</span>
    <span class="o">&lt;</span><span class="n">object</span> <span class="n">class</span><span class="o">=</span><span class="s">&quot;GtkCellRendererText&quot;</span><span class="o">/&gt;</span>
    <span class="o">&lt;</span><span class="n">attributes</span><span class="o">&gt;</span>
      <span class="o">&lt;</span><span class="n">attribute</span> <span class="n">name</span><span class="o">=</span><span class="s">&quot;text&quot;</span><span class="o">&gt;</span><span class="mi">0</span><span class="o">&lt;/</span><span class="n">attribute</span><span class="o">&gt;</span>
    <span class="o">&lt;/</span><span class="n">attributes</span><span class="o">&gt;</span>
  <span class="o">&lt;/</span><span class="n">child</span><span class="o">&gt;</span><span class="s">&quot;</span>
<span class="o">&lt;/</span><span class="n">object</span><span class="o">&gt;</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p></p>
<p>Furthermore for implementations of GtkCellLayout that use a <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a>
to lay out cells (all GtkCellLayouts in GTK+ use a GtkCellArea)
cell properties can also be defined in the format by
specifying the custom &lt;cell-packing&gt; attribute which can contain multiple
&lt;property&gt; elements defined in the normal way.</p>
<p>Here is a UI definition fragment specifying cell properties:</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3
4
5
6
7
8
9</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="o">&lt;</span><span class="n">object</span> <span class="n">class</span><span class="o">=</span><span class="s">&quot;GtkTreeViewColumn&quot;</span><span class="o">&gt;</span>
  <span class="o">&lt;</span><span class="n">child</span><span class="o">&gt;</span>
    <span class="o">&lt;</span><span class="n">object</span> <span class="n">class</span><span class="o">=</span><span class="s">&quot;GtkCellRendererText&quot;</span><span class="o">/&gt;</span>
    <span class="o">&lt;</span><span class="n">cell</span><span class="o">-</span><span class="n">packing</span><span class="o">&gt;</span>
      <span class="o">&lt;</span><span class="n">property</span> <span class="n">name</span><span class="o">=</span><span class="s">&quot;align&quot;</span><span class="o">&gt;</span><span class="n">True</span><span class="o">&lt;/</span><span class="n">property</span><span class="o">&gt;</span>
      <span class="o">&lt;</span><span class="n">property</span> <span class="n">name</span><span class="o">=</span><span class="s">&quot;expand&quot;</span><span class="o">&gt;</span><span class="n">False</span><span class="o">&lt;/</span><span class="n">property</span><span class="o">&gt;</span>
    <span class="o">&lt;/</span><span class="n">cell</span><span class="o">-</span><span class="n">packing</span><span class="o">&gt;</span>
  <span class="o">&lt;/</span><span class="n">child</span><span class="o">&gt;</span><span class="s">&quot;</span>
<span class="o">&lt;/</span><span class="n">object</span><span class="o">&gt;</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p></p>
</div>
<hr>
<div class="refsect2">
<a name="id-1.3.12.13.9.5"></a><h3>Subclassing GtkCellLayout implementations</h3>
<p>When subclassing a widget that implements <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> like
<a class="link" href="GtkIconView.html" title="GtkIconView"><span class="type">GtkIconView</span></a> or <a class="link" href="GtkComboBox.html" title="GtkComboBox"><span class="type">GtkComboBox</span></a>, there are some considerations related
to the fact that these widgets internally use a <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a>.
The cell area is exposed as a construct-only property by these
widgets. This means that it is possible to e.g. do</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="n">combo</span> <span class="o">=</span> <span class="n">g_object_new</span> <span class="p">(</span><span class="n">GTK_TYPE_COMBO_BOX</span><span class="p">,</span> <span class="s">&quot;cell-area&quot;</span><span class="p">,</span> <span class="n">my_cell_area</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p></p>
<p>to use a custom cell area with a combo box. But construct properties
are only initialized after instance <code class="function">init()</code>
functions have run, which means that using functions which rely on
the existence of the cell area in your subclass’ <code class="function">init()</code> function will
cause the default cell area to be instantiated. In this case, a provided
construct property value will be ignored (with a warning, to alert
you to the problem).</p>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18</pre></td>
        <td class="listing_code"><pre class="programlisting"><span class="k">static</span> <span class="kt">void</span>
<span class="n">my_combo_box_init</span> <span class="p">(</span><span class="n">MyComboBox</span> <span class="o">*</span><span class="n">b</span><span class="p">)</span>
<span class="p">{</span>
  <span class="n">GtkCellRenderer</span> <span class="o">*</span><span class="n">cell</span><span class="p">;</span>

  <span class="n">cell</span> <span class="o">=</span> <span class="n">gtk_cell_renderer_pixbuf_new</span> <span class="p">();</span>
  <span class="c1">// The following call causes the default cell area for combo boxes,</span>
  <span class="c1">// a GtkCellAreaBox, to be instantiated</span>
  <span class="n">gtk_cell_layout_pack_start</span> <span class="p">(</span><span class="n">GTK_CELL_LAYOUT</span> <span class="p">(</span><span class="n">b</span><span class="p">),</span> <span class="n">cell</span><span class="p">,</span> <span class="n">FALSE</span><span class="p">);</span>
  <span class="p">...</span>
<span class="p">}</span>

<span class="n">GtkWidget</span> <span class="o">*</span>
<span class="n">my_combo_box_new</span> <span class="p">(</span><span class="n">GtkCellArea</span> <span class="o">*</span><span class="n">area</span><span class="p">)</span>
<span class="p">{</span>
  <span class="c1">// This call is going to cause a warning about area being ignored</span>
  <span class="k">return</span> <span class="nf">g_object_new</span> <span class="p">(</span><span class="n">MY_TYPE_COMBO_BOX</span><span class="p">,</span> <span class="s">&quot;cell-area&quot;</span><span class="p">,</span> <span class="n">area</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">);</span>
<span class="p">}</span></pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p></p>
<p>If supporting alternative cell areas with your derived widget is
not important, then this does not have to concern you. If you want
to support alternative cell areas, you can do so by moving the
problematic calls out of <code class="function">init()</code> and into a <code class="function">constructor()</code>
for your class.</p>
</div>
</div>
<div class="refsect1">
<a name="GtkCellLayout.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GtkCellLayoutDataFunc"></a><h3>GtkCellLayoutDataFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GtkCellLayoutDataFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                          <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                          <em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> *tree_model</code></em>,
                          <em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>,
                          <em class="parameter"><code><span class="type">gpointer</span> data</code></em>);</pre>
<p>A function which should set the value of <em class="parameter"><code>cell_layout</code></em>
’s cell renderer(s)
as appropriate.</p>
<div class="refsect3">
<a name="GtkCellLayoutDataFunc.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>the cell renderer whose value is to be set</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>tree_model</p></td>
<td class="parameter_description"><p>the model</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>iter</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> indicating the row to set the value for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>user data passed to <a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-cell-data-func" title="gtk_cell_layout_set_cell_data_func ()"><code class="function">gtk_cell_layout_set_cell_data_func()</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-pack-start"></a><h3>gtk_cell_layout_pack_start ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_pack_start (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                            <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                            <em class="parameter"><code><span class="type">gboolean</span> expand</code></em>);</pre>
<p>Packs the <em class="parameter"><code>cell</code></em>
 into the beginning of <em class="parameter"><code>cell_layout</code></em>
. If <em class="parameter"><code>expand</code></em>
 is <code class="literal">FALSE</code>,
then the <em class="parameter"><code>cell</code></em>
 is allocated no more space than it needs. Any unused space
is divided evenly between cells for which <em class="parameter"><code>expand</code></em>
 is <code class="literal">TRUE</code>.</p>
<p>Note that reusing the same cell renderer is not supported.</p>
<div class="refsect3">
<a name="gtk-cell-layout-pack-start.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expand</p></td>
<td class="parameter_description"><p><code class="literal">TRUE</code> if <em class="parameter"><code>cell</code></em>
is to be given extra space allocated to <em class="parameter"><code>cell_layout</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-pack-end"></a><h3>gtk_cell_layout_pack_end ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_pack_end (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                          <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                          <em class="parameter"><code><span class="type">gboolean</span> expand</code></em>);</pre>
<p>Adds the <em class="parameter"><code>cell</code></em>
 to the end of <em class="parameter"><code>cell_layout</code></em>
. If <em class="parameter"><code>expand</code></em>
 is <code class="literal">FALSE</code>, then the
<em class="parameter"><code>cell</code></em>
 is allocated no more space than it needs. Any unused space is
divided evenly between cells for which <em class="parameter"><code>expand</code></em>
 is <code class="literal">TRUE</code>.</p>
<p>Note that reusing the same cell renderer is not supported.</p>
<div class="refsect3">
<a name="gtk-cell-layout-pack-end.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expand</p></td>
<td class="parameter_description"><p><code class="literal">TRUE</code> if <em class="parameter"><code>cell</code></em>
is to be given extra space allocated to <em class="parameter"><code>cell_layout</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-get-area"></a><h3>gtk_cell_layout_get_area ()</h3>
<pre class="programlisting"><a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="returnvalue">GtkCellArea</span></a> *
gtk_cell_layout_get_area (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>);</pre>
<p>Returns the underlying <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a> which might be <em class="parameter"><code>cell_layout</code></em>

if called on a <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a> or might be <code class="literal">NULL</code> if no <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a>
is used by <em class="parameter"><code>cell_layout</code></em>
.</p>
<div class="refsect3">
<a name="gtk-cell-layout-get-area.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-cell-layout-get-area.returns"></a><h4>Returns</h4>
<p>the cell area used by <em class="parameter"><code>cell_layout</code></em>
,
or <code class="literal">NULL</code> in case no cell area is used. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-0.html#api-index-3.0">3.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-get-cells"></a><h3>gtk_cell_layout_get_cells ()</h3>
<pre class="programlisting"><span class="returnvalue">GList</span> *
gtk_cell_layout_get_cells (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>);</pre>
<p>Returns the cell renderers which have been added to <em class="parameter"><code>cell_layout</code></em>
.</p>
<div class="refsect3">
<a name="gtk-cell-layout-get-cells.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-cell-layout-get-cells.returns"></a><h4>Returns</h4>
<p>a list of cell renderers. The list, but not the renderers has
been newly allocated and should be freed with <code class="function">g_list_free()</code>
when no longer needed. </p>
<p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkCellRenderer][<acronym title="The caller owns the data container, but not the data inside it."><span class="acronym">transfer container</span></acronym>]</span></p>
</div>
<p class="since">Since: 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-reorder"></a><h3>gtk_cell_layout_reorder ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_reorder (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                         <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                         <em class="parameter"><code><span class="type">gint</span> position</code></em>);</pre>
<p>Re-inserts <em class="parameter"><code>cell</code></em>
 at <em class="parameter"><code>position</code></em>
.</p>
<p>Note that <em class="parameter"><code>cell</code></em>
 has already to be packed into <em class="parameter"><code>cell_layout</code></em>

for this to function properly.</p>
<div class="refsect3">
<a name="gtk-cell-layout-reorder.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> to reorder</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>new position to insert <em class="parameter"><code>cell</code></em>
at</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-clear"></a><h3>gtk_cell_layout_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_clear (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>);</pre>
<p>Unsets all the mappings on all renderers on <em class="parameter"><code>cell_layout</code></em>
 and
removes all renderers from <em class="parameter"><code>cell_layout</code></em>
.</p>
<div class="refsect3">
<a name="gtk-cell-layout-clear.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-set-attributes"></a><h3>gtk_cell_layout_set_attributes ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_set_attributes (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                                <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                                <em class="parameter"><code>...</code></em>);</pre>
<p>Sets the attributes in list as the attributes of <em class="parameter"><code>cell_layout</code></em>
.</p>
<p>The attributes should be in attribute/column order, as in
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-add-attribute" title="gtk_cell_layout_add_attribute ()"><code class="function">gtk_cell_layout_add_attribute()</code></a>. All existing attributes are
removed, and replaced with the new attributes.</p>
<div class="refsect3">
<a name="gtk-cell-layout-set-attributes.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>a <code class="literal">NULL</code>-terminated list of attributes</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-add-attribute"></a><h3>gtk_cell_layout_add_attribute ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_add_attribute (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                               <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                               <em class="parameter"><code>const <span class="type">gchar</span> *attribute</code></em>,
                               <em class="parameter"><code><span class="type">gint</span> column</code></em>);</pre>
<p>Adds an attribute mapping to the list in <em class="parameter"><code>cell_layout</code></em>
.</p>
<p>The <em class="parameter"><code>column</code></em>
 is the column of the model to get a value from, and the
<em class="parameter"><code>attribute</code></em>
 is the parameter on <em class="parameter"><code>cell</code></em>
 to be set from the value. So for
example if column 2 of the model contains strings, you could have the
“text” attribute of a <a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText"><span class="type">GtkCellRendererText</span></a> get its values from column 2.</p>
<div class="refsect3">
<a name="gtk-cell-layout-add-attribute.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>attribute</p></td>
<td class="parameter_description"><p>an attribute on the renderer</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>the column position on the model to get the attribute from</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-set-cell-data-func"></a><h3>gtk_cell_layout_set_cell_data_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_set_cell_data_func (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                                    <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>,
                                    <em class="parameter"><code><a class="link" href="GtkCellLayout.html#GtkCellLayoutDataFunc" title="GtkCellLayoutDataFunc ()"><span class="type">GtkCellLayoutDataFunc</span></a> func</code></em>,
                                    <em class="parameter"><code><span class="type">gpointer</span> func_data</code></em>,
                                    <em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>);</pre>
<p>Sets the <a class="link" href="GtkCellLayout.html#GtkCellLayoutDataFunc" title="GtkCellLayoutDataFunc ()"><span class="type">GtkCellLayoutDataFunc</span></a> to use for <em class="parameter"><code>cell_layout</code></em>
.</p>
<p>This function is used instead of the standard attributes mapping
for setting the column value, and should set the value of <em class="parameter"><code>cell_layout</code></em>
’s
cell renderer(s) as appropriate.</p>
<p><em class="parameter"><code>func</code></em>
 may be <code class="literal">NULL</code> to remove a previously set function.</p>
<div class="refsect3">
<a name="gtk-cell-layout-set-cell-data-func.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkCellLayout.html#GtkCellLayoutDataFunc" title="GtkCellLayoutDataFunc ()"><span class="type">GtkCellLayoutDataFunc</span></a> to use, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>func_data</p></td>
<td class="parameter_description"><p>user data for <em class="parameter"><code>func</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>destroy</p></td>
<td class="parameter_description"><p>destroy notify for <em class="parameter"><code>func_data</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-cell-layout-clear-attributes"></a><h3>gtk_cell_layout_clear_attributes ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_cell_layout_clear_attributes (<em class="parameter"><code><a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a> *cell_layout</code></em>,
                                  <em class="parameter"><code><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> *cell</code></em>);</pre>
<p>Clears all existing attributes previously set with
<a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-attributes" title="gtk_cell_layout_set_attributes ()"><code class="function">gtk_cell_layout_set_attributes()</code></a>.</p>
<div class="refsect3">
<a name="gtk-cell-layout-clear-attributes.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cell_layout</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellLayout.html" title="GtkCellLayout"><span class="type">GtkCellLayout</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cell</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a> to clear the attribute mapping on</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.4</p>
</div>
</div>
<div class="refsect1">
<a name="GtkCellLayout.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GtkCellLayout-struct"></a><h3>GtkCellLayout</h3>
<pre class="programlisting">typedef struct _GtkCellLayout GtkCellLayout;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GtkCellLayoutIface"></a><h3>struct GtkCellLayoutIface</h3>
<pre class="programlisting">struct GtkCellLayoutIface {
  /* Virtual Table */
  void (* pack_start)         (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell,
                               gboolean               expand);
  void (* pack_end)           (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell,
                               gboolean               expand);
  void (* clear)              (GtkCellLayout         *cell_layout);
  void (* add_attribute)      (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell,
                               const gchar           *attribute,
                               gint                   column);
  void (* set_cell_data_func) (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell,
                               GtkCellLayoutDataFunc  func,
                               gpointer               func_data,
                               GDestroyNotify         destroy);
  void (* clear_attributes)   (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell);
  void (* reorder)            (GtkCellLayout         *cell_layout,
                               GtkCellRenderer       *cell,
                               gint                   position);
  GList* (* get_cells)        (GtkCellLayout         *cell_layout);

  GtkCellArea *(* get_area)   (GtkCellLayout         *cell_layout);
};
</pre>
<div class="refsect3">
<a name="GtkCellLayoutIface.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.pack-start"></a>pack_start</code></em> ()</p></td>
<td class="struct_member_description"><p>Packs the cell into the beginning of cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.pack-end"></a>pack_end</code></em> ()</p></td>
<td class="struct_member_description"><p>Adds the cell to the end of cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.clear"></a>clear</code></em> ()</p></td>
<td class="struct_member_description"><p>Unsets all the mappings on all renderers on cell_layout and
removes all renderers from cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.add-attribute"></a>add_attribute</code></em> ()</p></td>
<td class="struct_member_description"><p>Adds an attribute mapping to the list in
cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.set-cell-data-func"></a>set_cell_data_func</code></em> ()</p></td>
<td class="struct_member_description"><p>Sets the <a class="link" href="GtkCellLayout.html#GtkCellLayoutDataFunc" title="GtkCellLayoutDataFunc ()"><span class="type">GtkCellLayoutDataFunc</span></a> to use for
cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.clear-attributes"></a>clear_attributes</code></em> ()</p></td>
<td class="struct_member_description"><p>Clears all existing attributes previously set
with <a class="link" href="GtkCellLayout.html#gtk-cell-layout-set-attributes" title="gtk_cell_layout_set_attributes ()"><code class="function">gtk_cell_layout_set_attributes()</code></a>.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.reorder"></a>reorder</code></em> ()</p></td>
<td class="struct_member_description"><p>Re-inserts cell at position.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.get-cells"></a>get_cells</code></em> ()</p></td>
<td class="struct_member_description"><p>Get the cell renderers which have been added to
cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GtkCellLayoutIface.get-area"></a>get_area</code></em> ()</p></td>
<td class="struct_member_description"><p>Get the underlying <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a> which might be
cell_layout if called on a <a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a> or might be NULL if no
<a class="link" href="GtkCellArea.html" title="GtkCellArea"><span class="type">GtkCellArea</span></a> is used by cell_layout.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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